Answered: Find the mean and standard deviation…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Refer to the accompanying table, which describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Find the mean and standard deviation for the number of girls in 8 births.

attached is the data table.

dont copy from google

The mean is --------girl(s). (Round to one decimal place as needed.)

The standard deviation is ------girl(s). (Round to one decimal place as needed.)

bes results from groups of 8 births from 8 different sets of parents. The rando
n for the number of girls in 8 births.
Table of numbers of girls and probabilities
Number of
Girls x
P(x)
0.005
1
0.027
0.111
3.
0.229
4
0.264
0.225
6.
0.105
0.029
8.
0.005

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